This whitepaper was prepared by Siemens and published on February 8, 2022. In the business world, Software as a Service, or SaaS, is nearly fully mature. Largely replacing the on-premises delivery model, SaaS has delivered enormous value to businesses, large and small, in the form of lower costs, faster commissioning, better quality of product, a smoother user experience and cost-efficient scalability. But what are the barriers to entry for Security as a Service? Why is it experiencing this surge in popularity? And what does the future hold for this relatively new offering? Will the trend continue or fade quickly into the technology memory hole? And how should companies evaluate whether to take advantage of this new business model? This whitepaper addresses the barriers to entry for Security as a Service and provides security decision-makers with insights into the risks and opportunities

Keywords: Access Controls, Audio/Video, Communications, Computer/Network Hardware, Control & Monitoring Equipment/Sensors, Cybersecurity/Privacy, Energy Efficiency/Management, Internet of Things (IoT), Protocols/Standards, Robotics, security as a service